ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/external/subpack/net/switchdev-poller/Makefile b/external/subpack/net/switchdev-poller/Makefile
new file mode 100644
index 0000000..3d216e0
--- /dev/null
+++ b/external/subpack/net/switchdev-poller/Makefile
@@ -0,0 +1,41 @@
+#
+# Copyright (C) 2018-2019 Luiz Angelo Daros de Luca
+#
+# This is free software, licensed under the GNU General Public License v2.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=switchdev-poller
+PKG_VERSION:=1.1.0
+PKG_RELEASE:=1
+PKG_MAINTAINER:=Luiz Angelo Daros de Luca <luizluca@gmail.com>
+PKG_LICENSE:=GPL-2.0-or-later
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/switchdev-poller
+ SECTION:=net
+ CATEGORY:=Network
+ TITLE:=Poll switchdev ports to bring CPU ports up/down
+ DEPENDS:=+swconfig
+ PKGARCH:=all
+endef
+
+define Package/switchdev-poller/description
+ This service monitors switchdev ports and brings down CPU ports when
+ all related non-CPU vlan ports are also down. Otherwise, it brings
+ the port up.
+endef
+
+define Build/Compile
+endef
+
+define Package/switchdev-poller/install
+ $(INSTALL_DIR) $(1)/etc/init.d
+ $(INSTALL_BIN) ./files/switchdev-poller.init $(1)/etc/init.d/switchdev-poller
+ $(INSTALL_DIR) $(1)/usr/lib/switchdev-poller
+ $(INSTALL_BIN) ./files/switchdev-poller $(1)/usr/lib/switchdev-poller/switchdev-poller
+endef
+
+$(eval $(call BuildPackage,switchdev-poller))
diff --git a/external/subpack/net/switchdev-poller/files/switchdev-poller b/external/subpack/net/switchdev-poller/files/switchdev-poller
new file mode 100755
index 0000000..4d68c45
--- /dev/null
+++ b/external/subpack/net/switchdev-poller/files/switchdev-poller
@@ -0,0 +1,155 @@
+#!/bin/sh
+# shellcheck disable=SC2039,SC1091
+# https://www.shellcheck.net/wiki/SC2039 -- In POSIX sh, SC2039: In POSIX sh, string replacement is undefined.
+# https://www.shellcheck.net/wiki/SC2039 -- In POSIX sh, string indexing is undefined.
+# https://www.shellcheck.net/wiki/SC1091 -- Not following: /lib/functions.sh:...
+# Copyright (C) 2018-2020 Luiz Angelo Daros de Luca <luizluca@gmail.com>
+#
+# Pools switch for port changes
+#
+
+[ -n "$NICED" ] && NICED=1 exec nice -n 19 "$0" "$@"
+
+. /usr/share/libubox/jshn.sh
+. /lib/functions.sh
+
+cpu_ports=""
+
+json_init
+json_load "$(cat /etc/board.json)"
+
+switches=
+json_get_keys switches switch
+json_select switch
+for switch in $switches; do
+ echo Loading $switch >&2
+ json_select "$switch"
+ if json_is_a ports array; then
+ ports=
+ json_get_keys ports ports
+ json_select ports
+
+ for port in $ports; do
+ echo Checking port "$port" in "$switch" >&2
+ json_select "$port"
+ num=
+ json_get_vars num device
+ if [ -n "$device" ]; then
+ echo "Port ${switch}_$num is CPU port as $device" >&2
+ cpu_ports="$cpu_ports ${switch}_$num=$device"
+ fi
+ json_select ..
+ done
+ json_select ..
+ fi
+ json_select ..
+done
+
+each_switch_vlan() {
+ switch=
+ vlan=
+ ports=
+ config_get switch "$1" device
+ config_get vlan "$1" vlan
+ config_get ports "$1" ports
+
+ [ -n "$vlan" ] || { echo "No vlan for '$1'" >&2; return 1; }
+ [ -n "$switch" ] || { echo "No device for '$1'" >&2; return 1; }
+
+ vlan_ifnames=""
+ vlan_non_cpu_ports=""
+ echo Checking vlan "$vlan" in $switch >&2
+ for port in $ports; do
+ case $port in
+ *t) tagged=1; port=${port:0:-1} ;;
+ *) tagged= ;;
+ esac
+ echo "Checking port $port in $switch used by vlan $vlan" >&2
+
+ cpu_port_ifname=""
+ for cpu_port in $cpu_ports; do
+ device=${cpu_port#*=}
+ cpu_switchport=${cpu_port%=*}
+ [ "${cpu_switchport}" = "${switch}_${port}" ] || continue
+ echo "Port $port in $switch used by $vlan is a CPU port at $device" >&2
+
+ for device_tagged in $device_tagged; do
+ [ "${tagged}" = 1 ] && not_tagged=0 || not_tagged=1
+ if [ "$device_tagged" = "$device=${not_tagged}" ]; then
+ echo "Cannot control CPU port ${cpu_switchport} when it is used both as tagged and not tagged"
+ exit 1
+ fi
+ done
+ device_tagged="${device_tagged} ${device}=${tagged:-0}"
+ cpu_port_ifname=${device}${tagged+.$vlan}
+ done
+
+ if [ -n "$cpu_port_ifname" ]; then
+ vlan_ifnames="$vlan_ifnames $cpu_port_ifname"
+ continue
+ fi
+ vlan_non_cpu_ports="$vlan_non_cpu_ports ${port}"
+ done
+ vlan_non_cpu_switch_ports="${vlan_non_cpu_ports// /:${switch}_}"
+ vlan_non_cpu_switch_ports="${vlan_non_cpu_switch_ports:1}"
+ vlan_non_cpu_ports="${vlan_non_cpu_ports:1}"
+ for vlan_ifname in $vlan_ifnames; do
+ devices2ports="$devices2ports $vlan_ifname=${vlan_non_cpu_switch_ports}"
+ echo "Monitoring $switch (ports ${vlan_non_cpu_ports// /,}) for $vlan_ifname"
+ done
+}
+
+device_tagged=""
+devices2ports=""
+config_load network
+config_foreach each_switch_vlan switch_vlan
+
+cleanup() {
+ for device2ports in $devices2ports; do
+ device=${device2ports%=*}
+ echo "Bringing up $device on exit..."
+ ip link set dev ${device} up >/dev/null 2>&1;
+ done
+ echo "Stopped poller"
+ exit
+}
+trap cleanup INT TERM
+echo "Starting poller"
+while true; do (
+for device2ports in $devices2ports; do
+ device=${device2ports%=*}
+ switch_ports=${device2ports#*=}
+ switch_ports=${switch_ports//:/ }
+ should_be_up=false
+ for switch_port in $switch_ports; do
+ state=$(eval echo \$${switch_port})
+ if [ -z "${state}" ]; then
+ switch=${switch_port%_*}
+ port=${switch_port#*_}
+ echo "Polling $switch_port..." >&2
+ swconfig dev $switch port $port get link | grep -q 'link:up' &&
+ state=up || state=down
+ eval "$switch_port=$state"
+ echo "State of $switch_port, used by $device, is $state" >&2
+ else
+ echo "State of $switch_port, used by $device, is $state (cached)" >&2
+ fi
+ [ $state = up ] && should_be_up=true
+ done
+
+ if ip link show dev ${device} | grep -q "DOWN"; then
+ current_up=false
+ else
+ current_up=true
+ fi
+
+ if $should_be_up && ! $current_up; then
+ echo "Bringing up $device..."
+ ip link set dev ${device} up >/dev/null 2>&1;
+ elif ! $should_be_up && $current_up; then
+ echo "Bringing down $device..."
+ ip link set dev ${device} down >/dev/null 2>&1;
+ fi
+done )
+sleep 3
+done
diff --git a/external/subpack/net/switchdev-poller/files/switchdev-poller.init b/external/subpack/net/switchdev-poller/files/switchdev-poller.init
new file mode 100755
index 0000000..a6a5dc6
--- /dev/null
+++ b/external/subpack/net/switchdev-poller/files/switchdev-poller.init
@@ -0,0 +1,18 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2018-2019 Luiz Angelo Daros de Luca <luizluca@gmail.com>
+
+START=99
+USE_PROCD=1
+
+start_service() {
+ procd_open_instance switchdev-poller
+ procd_set_param command /usr/lib/switchdev-poller/switchdev-poller
+ procd_set_param stdout 1
+ procd_set_param stderr 0 # enable for extra debug info
+ procd_set_param respawn 3600 5 5
+ procd_close_instance
+}
+
+service_triggers() {
+ procd_add_reload_trigger network
+}